diff --git a/lib/libesp32_div/ESP32-HomeKit/src/hap_platform_memory.c b/lib/libesp32_div/ESP32-HomeKit/src/hap_platform_memory.c
deleted file mode 100644
index 361cd3e5f..000000000
--- a/lib/libesp32_div/ESP32-HomeKit/src/hap_platform_memory.c
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * ESPRESSIF MIT License
- *
- * Copyright (c) 2019 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
- *
- * Permission is hereby granted for use on ESPRESSIF SYSTEMS products only, in which case,
- * it is free of charge, to any person obtaining a copy of this software and associated
- * documentation files (the "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the Software is furnished
- * to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all copies or
- * substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdlib.h>
-
-void * hap_platform_memory_malloc(size_t size)
-{
-    return malloc(size);
-}
-
-void * hap_platform_memory_calloc(size_t count, size_t size)
-{
-    return calloc(count, size);
-}
-
-void hap_platform_memory_free(void *ptr)
-{
-    free(ptr);
-}
diff --git a/lib/libesp32_div/NimBLE-Arduino/src/nimble/esp_port/port/src/esp_nimble_mem.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/esp_port/port/src/esp_nimble_mem.c
deleted file mode 100644
index 7e1899db6..000000000
--- a/lib/libesp32_div/NimBLE-Arduino/src/nimble/esp_port/port/src/esp_nimble_mem.c
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#ifdef ESP_PLATFORM
-
-#include "esp_attr.h"
-#include "esp_heap_caps.h"
-#include "nimconfig.h"
-#include "../include/esp_nimble_mem.h"
-
-IRAM_ATTR void *nimble_platform_mem_malloc(size_t size)
-{
-#ifdef CONFIG_BT_NIMBLE_MEM_ALLOC_MODE_INTERNAL
-    return heap_caps_malloc(size, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
-#elif CONFIG_BT_NIMBLE_MEM_ALLOC_MODE_EXTERNAL
-    return heap_caps_malloc(size, MALLOC_CAP_SPIRAM|MALLOC_CAP_8BIT);
-#elif CONFIG_BT_NIMBLE_MEM_ALLOC_MODE_IRAM_8BIT
-    return heap_caps_malloc_prefer(size, 2, MALLOC_CAP_INTERNAL|MALLOC_CAP_IRAM_8BIT, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
-#else
-    return malloc(size);
-#endif
-}
-
-IRAM_ATTR void *nimble_platform_mem_calloc(size_t n, size_t size)
-{
-#ifdef CONFIG_BT_NIMBLE_MEM_ALLOC_MODE_INTERNAL
-    return heap_caps_calloc(n, size, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
-#elif CONFIG_BT_NIMBLE_MEM_ALLOC_MODE_EXTERNAL
-    return heap_caps_calloc(n, size, MALLOC_CAP_SPIRAM|MALLOC_CAP_8BIT);
-#elif CONFIG_BT_NIMBLE_MEM_ALLOC_MODE_IRAM_8BIT
-    return heap_caps_calloc_prefer(n, size, 2, MALLOC_CAP_INTERNAL|MALLOC_CAP_IRAM_8BIT, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
-#else
-    return calloc(n, size);
-#endif
-}
-
-IRAM_ATTR void nimble_platform_mem_free(void *ptr)
-{
-    heap_caps_free(ptr);
-}
-#endif